| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 08/28/2013 | CN101741424B Method for rapidly capturing multi-mode high dynamic spread spectrum signal |
| 08/28/2013 | CN101569108B Common mode adaptive equalization |
| 08/22/2013 | WO2013098342A3 Interpolation of filter coefficients |
| 08/22/2013 | WO2012146714A3 Arrangement and method for producing an output voltage |
| 08/21/2013 | CN203151448U Switch current circuit of fifth-order gauss wavelet filter |
| 08/21/2013 | CN203151447U Current mode five step Marr wavelet filter circuit |
| 08/21/2013 | CN103262162A Psychoacoustic filter design for rational resamplers |
| 08/21/2013 | CN103260109A Multi-channel audio signal converting device, and method of converting multi-channel audio signal |
| 08/21/2013 | CN103259507A Microwave photonic filter free of spurious interference based on optical frequency comb |
| 08/21/2013 | CN102170276B Up-sampling filtering method for ultrasonic signal processing |
| 08/21/2013 | CN102082559B Method for realizing linear phase IIR (infinite impulse response) filter |
| 08/20/2013 | US8516026 SIMD supporting filtering in a video decoding system |
| 08/14/2013 | EP2625873A1 Equalization of an audio signal |
| 08/14/2013 | CN103248337A Spatio-temporal cascaded method for suppressing external interference of oblique ionogram |
| 08/07/2013 | CN103236825A Data correcting method for high-precision data acquiring system |
| 08/01/2013 | WO2013110173A1 Infinite impulse response filter architecture with idle-tone reduction |
| 07/31/2013 | EP2621095A2 Bandpass sampling receiver, and method for designing and reconstructing a filter thereof |
| 07/31/2013 | EP2621089A1 Data processing method and device |
| 07/31/2013 | EP2620944A2 Asynchronous sampling frequency conversion device, method, and program |
| 07/31/2013 | EP2619916A1 Multipath interference cancellation through cepstrum analysis |
| 07/31/2013 | CN103227622A Parallel filtering method and corresponding device |
| 07/30/2013 | US8498876 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 07/25/2013 | US20130187694 Digital re-sampling apparatus using fractional delay generator |
| 07/24/2013 | CN102185587B Low-power-consumption multi-order interpolation half-band filter with two-phase structure |
| 07/18/2013 | WO2013106370A1 Multi-rate filter system |
| 07/11/2013 | WO2013103562A1 Self-correcting multirate filter |
| 07/10/2013 | EP2613452A1 Digital filter device, digital filtering method, and control program for digital filter device |
| 07/10/2013 | CN103199822A Design method of low-pass digital filter with adjustable bandwidth |
| 07/10/2013 | CN102346443B 1PPS (pulse per second) latch and control method |
| 07/10/2013 | CN101617235B Method and apparatus for implementing finite impulse response filters without the use of multipliers |
| 07/04/2013 | WO2013098342A2 Interpolation of filter coefficients |
| 07/03/2013 | EP2611030A1 Demultiplexing device, multiplexing device, and relay device |
| 07/03/2013 | CN103188186A Resampling processing device and method and digital modulation signal producing device |
| 07/03/2013 | CN103187949A Filter for extracting digital logarithm rectification amplitude |
| 07/03/2013 | CN101977031B Space-time balanced digital filter optimal design method |
| 07/02/2013 | US8478807 Digital signal-processing structure and methodology featuring engine-instantiated, wave-digital-filter componentry, and fabrication thereof |
| 06/27/2013 | WO2013094308A1 Digital filter circuit and digital filter processing method |
| 06/27/2013 | WO2013092140A1 Multichannel sample rate converter |
| 06/26/2013 | EP2608409A1 Multichannel sample rate converter |
| 06/26/2013 | CN103178806A Envelope extraction method and system for one-dimensional data |
| 06/26/2013 | CN103178805A Method, device and system for controlling interpolation filter output |
| 06/19/2013 | EP2605549A1 Digital equalizing filters with fixed phase response |
| 06/19/2013 | EP2603913A1 Resampling output signals of qmf based audio codecs |
| 06/19/2013 | CN203014761U Comb filter formed by capacitive switch array |
| 06/19/2013 | CN103166599A Low-power-consumption matched filtering method used for distinguishing existing of signal |
| 06/19/2013 | CN103166598A Digital filter, collocation method of digital filter, electronic device and wireless communication system |
| 06/19/2013 | CN103166597A Signal processing apparatus and signal processing method |
| 06/19/2013 | CN103164575A Read only memory (ROM) structure digital filter system for simplifying design complexity |
| 06/13/2013 | WO2013085450A1 Heterodyne receiver structure, multi chip module, multi integrated circuit module, and method for processing a radio frequency signal |
| 06/13/2013 | DE102011088346A1 Vorrichtung zur Erfassung akustischer Signale sowie dazugehöriges Verfahren Apparatus for recording acoustic signals and associated method |
| 06/12/2013 | CN202998022U Multichannel comb filter |
| 06/12/2013 | CN202998021U Multichannel comb filter |
| 06/12/2013 | CN103152013A Vehicle-mounted filter unit for radio equipment detection system |
| 06/12/2013 | CN103152012A Far-infrared (FIR) filter designing method capable of reducing pass-band group delay error |
| 06/12/2013 | CN101807902B Complex coefficient linear-phase infinite impulse response digital filter |
| 06/06/2013 | DE102008037431B4 Verfahren zur dynamischen Konfiguration eines Signalaufbereiters A method for dynamic configuration of a signal conditioner |
| 06/05/2013 | CN103139677A Audio headset with active noise control of the non-adaptive type for listening to an audio music source and/or for "hands-free" telephony functions |
| 06/05/2013 | CN103138714A Hardware implementation of least means square (LMS) self-adapting filter with high performance |
| 06/05/2013 | CN103138713A Reconfigurable complex filter and implementation method |
| 06/05/2013 | CN102064797B Parallel implementation method and device for fractional sampling rate transformation |
| 06/05/2013 | CN101834581B Filtering apparatus, filtering method, program, and surround processor |
| 06/05/2013 | CN101809868B Sampling filter device |
| 05/29/2013 | CN103124168A 数字滤波方法 Digital Filter |
| 05/28/2013 | US8452827 Data processing circuit |
| 05/23/2013 | US20130132454 Feedback-Based Particle Filtering |
| 05/22/2013 | CN103119848A Data processing method and device |
| 05/22/2013 | CN103117730A Multichannel comb filter and implement method thereof |
| 05/21/2013 | US8447190 Distortion compensating apparatus, optical receiving apparatus, and optical transmitting and receiving system |
| 05/08/2013 | CN103098371A Symmetric filter operation device and symmetric filter operation method |
| 05/08/2013 | CN103095252A Filtering method and filtering device |
| 05/08/2013 | CN103095251A Improving method for high speed of digital filter |
| 05/08/2013 | CN103095250A Achieving method for undelayed digital filtering |
| 05/08/2013 | CN103095249A Median filtering circuit and method thereof |
| 05/08/2013 | CN103095220A Design method of miniature synthetic aperture radar (SAR) digital down converter based on rapidly-moving finite impulse response (FIR) filter |
| 05/08/2013 | CN101661407B Finite impulse response filter with parallel structure and processing method thereof |
| 05/02/2013 | WO2013060463A1 Asynchronous sample rate converter |
| 05/01/2013 | CN202918257U Digital filter |
| 05/01/2013 | CN103078606A Multichannel CIC (Cascaded Integrator Comb) interpolation-filter system and implementation method thereof |
| 05/01/2013 | CN103078605A High-frequency ultra-wideband power limiter design method |
| 04/25/2013 | WO2012168926A3 Receiver, transmitter and a method for digital multiple sub-band processing |
| 04/25/2013 | US20130100551 Method and apparatus for reflection cancellation |
| 04/24/2013 | CN103066950A Filtering method of far-infra-red ( FIR ) filter and filter |
| 04/24/2013 | CN103066949A Multi-channel comb filter |
| 04/18/2013 | WO2013054484A1 Audio signal output device and audio signal output method |
| 04/17/2013 | CN101938264B FIR (Finite Impulse Response) filter and implementation method thereof |
| 04/17/2013 | CN101729042B Method for increasing speed and method for reducing speed |
| 04/17/2013 | CN101277102B 数字滤波器 The digital filter |
| 04/11/2013 | WO2013050494A1 Simd memory circuit and methodology to support upsampling, downsampling and transposition |
| 04/10/2013 | CN103036529A Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and pwm converter system |
| 04/10/2013 | CN101895274B Digital filtering circuit, filtering method thereof and consumable chip thereof |
| 04/09/2013 | CA2659791C Systems and methods for detecting high-impedance faults in a multi-grounded power distribution system |
| 04/04/2013 | WO2013049858A1 A novel efficient digital microphone decimation filter architecture |
| 04/04/2013 | US20130082636 Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and pwm converter system |
| 04/03/2013 | CN202856702U Numerical control attenuator with low insertion loss |
| 04/03/2013 | CN102035502B Implementation structure of finite impulse response (FIR) filter |
| 04/03/2013 | CN101594159B Method and device for digital front-end filtering |
| 03/27/2013 | EP2574078A2 Dynamically configurable ANR filter and signal processing topology |
| 03/27/2013 | CN103004098A Digital filter device, digital filtering method, and control program for digital filter device |
| 03/27/2013 | CN103001606A 数字滤波器 The digital filter |
| 03/27/2013 | CN103001605A DA-RNS (distributed arithmetic-residue number system) algorithm based FIR (finite impulse response) filter realizing method |